1 files changed, 82 insertions, 0 deletions
diff --git a/xenolinux-2.4.25-sparse/arch/xeno/drivers/block/xl_block.h b/xenolinux-2.4.25-sparse/arch/xeno/drivers/block/xl_block.h
new file mode 100644
index 0000000000..c735a6ec44
--- /dev/null
+++ b/xenolinux-2.4.25-sparse/arch/xeno/drivers/block/xl_block.h
@@ -0,0 +1,82 @@
+/******************************************************************************
+ * xl_block.h
+ * 
+ * Shared definitions between all levels of XenoLinux Virtual block devices.
+ */
+
+#ifndef __XL_BLOCK_H__
+#define __XL_BLOCK_H__
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+
+#include <linux/fs.h>
+#include <linux/hdreg.h>
+#include <linux/blkdev.h>
+#include <linux/major.h>
+
+#include <asm/hypervisor-ifs/hypervisor-if.h>
+#include <asm/hypervisor-ifs/vbd.h>
+#include <asm/io.h>
+#include <asm/atomic.h>
+#include <asm/uaccess.h>
+
+#if 0
+#define DPRINTK(_f, _a...) printk ( KERN_ALERT _f , ## _a )
+#else
+#define DPRINTK(_f, _a...) ((void)0)
+#endif
+
+#if 0
+#define DPRINTK_IOCTL(_f, _a...) printk ( KERN_ALERT _f , ## _a )
+#else
+#define DPRINTK_IOCTL(_f, _a...) ((void)0)
+#endif
+
+/* Private gendisk->flags[] values. */
+#define GENHD_FL_XENO        2 /* Is unit a Xen block device?  */
+#define GENHD_FL_VIRT_PARTNS 4 /* Are unit partitions virtual? */
+
+/*
+ * We have one of these per vbd, whether ide, scsi or 'other'.
+ * They hang in an array off the gendisk structure. We may end up putting
+ * all kinds of interesting stuff here :-)
+ */
+typedef struct xl_disk {
+    int usage;
+} xl_disk_t;
+
+extern int xenolinux_control_msg(int operration, char *buffer, int size);
+extern int xenolinux_block_open(struct inode *inode, struct file *filep);
+extern int xenolinux_block_release(struct inode *inode, struct file *filep);
+extern int xenolinux_block_ioctl(struct inode *inode, struct file *filep,
+                                 unsigned command, unsigned long argument);
+extern int xenolinux_block_check(kdev_t dev);
+extern int xenolinux_block_revalidate(kdev_t dev);
+extern void do_xlblk_request (request_queue_t *rq); 
+
+extern void xlvbd_update_vbds(void);
+
+static inline xl_disk_t *xldev_to_xldisk(kdev_t xldev)
+{
+    struct gendisk *gd = get_gendisk(xldev);
+    
+    if ( gd == NULL ) 
+        return NULL;
+    
+    return (xl_disk_t *)gd->real_devices + 
+        (MINOR(xldev) >> gd->minor_shift);
+}
+
+
+/* Virtual block-device subsystem. */
+extern int  xlvbd_init(void);
+extern void xlvbd_cleanup(void); 
+
+#endif /* __XL_BLOCK_H__ */